21131337711

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3457}}^1\times {\mathrm{9749}}^1$

素因数の和:13239

約数の個数: 32

約数和(自身を含む): 32366880000

約数和(自身を除く): 11235542289

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 3457, 9749, 10371, 29247, 38027, 65683, 107239, 114081, 185231, 197049, 321717, 555693, 722513, 2037541, 2167539, 6112623, 33702293, 101106879, 370725223, 640343567, 1112175669, 1921030701, 7043779237, 21131337711]

約数ペア:

[(1, 21131337711), (3, 7043779237), (11, 1921030701), (19, 1112175669), (33, 640343567), (57, 370725223), (209, 101106879), (627, 33702293), (3457, 6112623), (9749, 2167539), (10371, 2037541), (29247, 722513), (38027, 555693), (65683, 321717), (107239, 197049), (114081, 185231)]